ArticleScientific reports2018
Dynamic evolution of inverted repeats in Euglenophyta plastid genomes.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 21 citations in OpenAlex.
- Raison d'être of the plastid repeat.Nature plants · 2024Article
- Challenging the Importance of Plastid Genome Structure Conservation: New Insights From Euglenophytes.Molecular biology and evolution · 2022Article
- Tightly Constrained Genome Reduction and Relaxation of Purifying Selection during Secondary Plastid Endosymbiosis.Molecular biology and evolution · 2022Article
- Loss of the IR region in conifer plastomes: Changes in the selection pressure and substitution rate of protein-coding genes.Ecology and evolution · 2022Article
- Comparative Plastid Genomics of Green-Colored Dinoflagellates Unveils Parallel Genome Compaction and RNA Editing.Frontiers in plant science · 2022Article
- Euglenozoa: taxonomy, diversity and ecology, symbioses and viruses.Open biology · 2021Review
- Highly Reduced Plastid Genomes of the Non-photosynthetic DictyochophyceansFrontiers in plant science · 2020Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
Abstract
Photosynthetic euglenids (Euglenophyta) are a monophyletic group of unicellular eukaryotes characterized by the presence of plastids, which arose as the result of the secondary endosymbiosis. Many Euglenophyta plastid (pt) genomes have been characterized recently, but they represented mainly one family - Euglenaceae. Here, we report a comparative analysis of plastid genomes from eight representatives of the family Phacaceae. Newly sequenced plastid genomes share a number of features including synteny and gene content, except for genes mat2 and mat5 encoding maturases. The observed diversity of intron number and presence/absence of maturases corroborated previously suggested correlation between the number of maturases in the pt genome and intron proliferation. Surprisingly, pt genomes of taxa belonging to Discoplastis and Lepocinclis encode two inverted repeat (IR) regions containing the rDNA operon, which are absent from the Euglenaceae. By mapping the presence/absence of IR region on the obtained phylogenomic tree, we reconstructed the most probable events in the evolution of IRs in the Euglenophyta. Our study highlights the dynamic nature of the Euglenophyta plastid genome, in particular with regards to the IR regions that underwent losses repeatedly.
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